The accompanying data are drive-through service times (seconds) recorded at a fast food restaurant during dinner times. Assuming that dinner service times at the restaurant's competitor have standard deviation σ = 58.1 sec, use a 0.025 significance level to test the claim that service times at the restaurant have the same variation as service times at its competitor's restaurant. Use the accompanying data to identify the test statistic and P-value. Then state a conclusion about the null hypothesis. H0: σ = 58.1 H1: σ ≠ 58.1 Service Times 212 152 183 165 109 184 162 180 115 168 314 138 320 193 113 183 186 111 134 308 223 176 186 79 156 165 333 195 131 144 148 153 149 92 183 291 166 345 211 120 119 98
The accompanying data are drive-through service times (seconds) recorded at a fast food restaurant during dinner times. Assuming that dinner service times at the restaurant's competitor have standard deviation σ = 58.1 sec, use a 0.025 significance level to test the claim that service times at the restaurant have the same variation as service times at its competitor's restaurant. Use the accompanying data to identify the test statistic and P-value. Then state a conclusion about the null hypothesis. H0: σ = 58.1 H1: σ ≠ 58.1 Service Times 212 152 183 165 109 184 162 180 115 168 314 138 320 193 113 183 186 111 134 308 223 176 186 79 156 165 333 195 131 144 148 153 149 92 183 291 166 345 211 120 119 98
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The accompanying data are drive-through service times (seconds) recorded at a fast food restaurant during dinner times. Assuming that dinner service times at the restaurant's competitor have standard deviation σ = 58.1 sec, use a 0.025 significance level to test the claim that service times at the restaurant have the same variation as service times at its competitor's restaurant. Use the accompanying data to identify the test statistic and P-value. Then state a conclusion about the null hypothesis.
H0: σ = 58.1
H1: σ ≠ 58.1
Service Times
212
152
183
165
109
184
162
180
115
168
314
138
320
193
113
183
186
111
134
308
223
176
186
79
156
165
333
195
131
144
148
153
149
92
183
291
166
345
211
120
119
98
171
96
183
180
150
288
114
154
114
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